Never used poker software before...

Ok, so you probably get these kinds of threads every do, but here goes:

I used to play some poker before, took a long break and now Im back in the game. While waiting for my bstarting capital, I decided to prepare myself by learning strategies and trying to figur eout software.

It's safe to say that I NEVER used any poker software, so my question her is: What is the best (free) poker software for a begginer?